title: Polio is re-emerging in areas previously considered polio free.
authors.affiliation: London.
authors.forename: Peter
authors.initials: P
authors.lastname: Moszynski
mesh_terms: D000349:Africa / Q000453:epidemiology; D021821:Communicable Diseases, Emerging / Q000453:epidemiology*; D004196:Disease Outbreaks; D006297:Health Services Accessibility; D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control